Home / 838,853.54-1,157,749.37-494,727.30

Finding the Fourth Proportional to 838,853.54, 1,157,749.37 and 494,727.30

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Solution

The fourth proportional to 838,853.54, 1,157,749.37 and 494,727.30 is: 682,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,853.54 : 1,157,749.37 = 494,727.30 : x
  2. Step 2: Convert to fraction form
    838,853.54/1,157,749.37 = 494,727.30/x
  3. Step 3: Cross multiply
    838,853.54x = 1,157,749.37 × 494,727.30
  4. Step 4: Simplify right side
    838,853.54x = 572,770,211,634.42
  5. Step 5: Solve for x
    x = 572,770,211,634.42/838,853.54
  6. Step 6: Final answer
    x = 682,801.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.